A graduate of the University of South Carolina, Harris started his 10-year career with the Alouettes in 1972, spanning 134 games. He was an 8-time all-star and won the Grey Cup in 1974 and 1977. His 38 interceptions for 631 yards are team records as is his 118-yard interception return. He retired in 1980, but returned to the Montreal Concordes in 1982 for 3 games.